Yeah, it crashes the game.

{ message : "invalid date conversion - dates earlier than 1 Jan 1970 will be incorrect", script : "gml_Script_anon@21528@___struct___94@gml_Object_gm_pulse_Create_0", line : 822, stacktrace : [ "gml_Script_anon@21528@___struct___94@gml_Object_gm_pulse_Create_0 (line 822)","gml_Object_gm_pulse_Other_68 (line 39) - 				_h.handler(_request, _response);
" ], longMessage : "ERROR in action number 1
of Async Event: Networking for object gm_pulse:
invalid date conversion - dates earlier than 1 Jan 1970 will be incorrect
 at gml_Script_anon@21528@___struct___94@gml_Object_gm_pulse_Create_0 (line 822) - 					var _epoch = floor(date_create_datetime(1970, 1, 1, 0, 0, 0));
" }